Water Cycle

What is evaporation?

• Water loses heat and changes into ice.

• Water gains heat and changes into water vapour.

• Water vapour loses heat and changes into water droplets.

When a gas changes into a liquid, this process is called ______________________.

• melting

• boiling

• evaporation

• condensation

Which of the following is an example of condensation?

• Clothes drying under the hot sun

• Snow on the road quickly changes into water

• Water on the road quickly disappears after a heavy rain

• Mist forming above the boiling water

Jayden noticed a puddle of water on his way home from school. The next day, the puddle is gone. What has most likely happened to the puddle of water?

• It melted.

• It evaporated.

• It condensed.

As time goes by and water goes through the water cycle again and again, the amount of water on Earth__________.

• decreases

• increases

• remains the same

When water evaporates, it changes into a ___________.

• solid

• liquid

• gas

During condensation, water vapour _____________ heat and condenses into water droplets.

• loses

• gains

Water freezes at ______________.

• 0^°C

• 100^°C

• 50^°C

• 20^°C

Water boils at _______________.

• 10^°C

• 0^°C

• 100^°C

• 50^°C

Temperature of the ice __________________ 0⁰C during melting as ice gains heat to melt.

• remains at

• increases above

• decreases below